Meet the site
North Rock sits close to the better-known Shark Gutters on Broughton Island's protected northern side, and it has become an increasingly important site in its own right as local operators deliberately spread diver traffic across both locations to reduce pressure on the main Shark Gutters grey nurse shark aggregation. In recent years, guides report growing success finding sharks at North Rock itself, to the point where it now features as a primary rather than a backup site on many trips, giving divers essentially the same style of grey nurse shark encounter with a slightly lower footprint on any one aggregation point. The site's underlying structure is a series of kelp-covered bommies and sponge gardens in a depth range of ten to twenty-two metres, providing plenty of natural shelter and grazing habitat that keeps the local ecosystem, sharks included, well supported. As with the neighbouring Shark Gutters, the preferred approach here is a quiet, negatively buoyant, minimal-disturbance technique — divers hold still rather than actively swim toward any sharks spotted, allowing the animals to approach at their own pace, which tends to produce calmer, closer and more natural encounters than an active chase ever does. Kelp beds add a distinctly different visual texture to the dive compared with the more open rock of the Looking Glass, and the site supports a good range of reef fish and invertebrates typical of Broughton Island's northern grey nurse shark critical habitat zone. North Rock is a strong choice for divers who want the area's signature shark experience without necessarily needing the specific topography of the Looking Glass passage or the deeper Shark Gutters amphitheatre.
Research this site before booking Stored site notes may be historical. These questions highlight gaps without turning old instructions into a current dive plan.
Broughton Island – North Rock is recorded as Reef in Port Stephens. The listed access is boat. Confirm the actual meeting point, route and permission to visit; a map pin does not establish any of these.
Topics flagged by the stored research
These are questions prompted by the existing notes, not a verified or complete hazard assessment.
- Current and timing
- Ask how the operator assesses the current window for the actual route. Historical tide notes are not a departure instruction.
Historical access notes exist for this record, but have not been independently verified for current use. Request current directions from the operator or site manager rather than following an old entry description.
Questions, answered
Is Broughton Island – North Rock suitable for my certification?
The record lists Advanced Open Water. That does not establish suitability for every route or day. Share your training, recent experience and equipment needs with the operator and ask about the specific proposed dive.
Can I book Broughton Island – North Rock through YouDive?
YouDive is an independent research directory. Contact an operator directly to confirm whether it currently runs the trip, the inclusions and the booking terms.
What you might see
Grey nurse sharks, kelp-associated fish, sponges, general reef invertebrates
Location
A kelp-covered bommie and sponge garden site close to the Shark Gutters on Broughton Island's north side, increasingly used by operators to give divers grey nurse shark encounters with less pressure on the main Shark Gutters aggregation.
Before you make plans
Conditions, access and operator schedules can change. This is a location guide, not a dive plan. Ask a local operator about current conditions and suitability for your training and experience.
Sources & further reading
padi.comletsgoadventures.com.aumudgeediveandtravel.comRecord updated 26 Sept 2026. Source claims are being reviewed.